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Related papers: Interplay of Rashba/Dresselhaus spin splittings

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The spin-galvanic effect and the circular photogalvanic effect induced by terahertz radiation are applied to determine the relative strengths of Rashba and Dresselhaus band spin-splitting in (001)-grown GaAs and InAs based two dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Giglberger , L. E. Golub , V. V. Bel'kov , S. N. Danilov , D. Schuh , Ch. Gerl , F. Rohlfing , J. Stahl , W. Wegscheider , D. Weiss , W. Prettl , S. D. Ganichev

One-body mechanisms of spin splitting of the energy spectrum of 2D electrons in a one-side doped (001) GaAs/Al$_x$Ga$_{1-x}$As quantum well have been studied theoretically and experimentally. The interfacial spin splitting has been shown to…

Mesoscale and Nanoscale Physics · Physics 2014-10-10 Zh. A. Devizorova , A. V. Shchepetilnikov , Yu. A. Nefyodov , V. A. Volkov , I. V. Kukushkin

The relative strengths of Rashba and Dresselhaus terms describing the spin-orbit coupling in semiconductor quantum well (QW) structures are extracted from photocurrent measurements on n-type InAs QWs containing a two-dimensional electron…

We present calculations of the frequency-dependent spin susceptibility tensor of a two-dimensional electron gas with competing Rashba and Dresselhaus spin-orbit interaction. It is shown that the interplay between both types of spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Catalina López-Bastidas , Jesús A. Maytorena , Francisco Mireles

Spin splitting of conduction electron states has been analyzed for all possible point symmetries of SiGe quantum well structures. A particular attention is paid to removal of spin degeneracy caused by the rotoinversion asymmetry of a (001)…

Mesoscale and Nanoscale Physics · Physics 2010-12-30 L. E. Golub , E. L. Ivchenko

The Rashba-Dresselhaus effect is the splitting of doubly degenerate band extrema in semiconductors, accompanied by the emergence of counter-rotating spin textures and spin-momentum locking. Here we investigate how this effect is modified by…

Materials Science · Physics 2021-12-07 Martin Schlipf , Feliciano Giustino

We quantify the effect of the spin-orbit interaction on the Rydberg-like series of image state electrons at the (111) and (001) surface of Ir, Pt and Au. Using relativistic multiple-scattering methods we find Rashba-like dispersions with…

Materials Science · Physics 2007-05-23 J R McLaughlan , E M Llewellyn-Samuel , S Crampin

Rashba spin splitting in two-dimensional (2D) semiconductor systems is generally calculated in a ${\bf k} \cdot {\bf p}$ Luttinger-Kohn approach where the spin splitting due to asymmetry emerges naturally from the bulk band structure. In…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 L. W. van Heeringen , A. McCollam , G. A. de Wijs , A. Fasolino

Electron spin precession in nonuniform Rashba-Dresselhaus two-dimensional electron systems along arbitrary continuous paths is investigated. We derive an analytical formula to describe the spin vectors (expectation values of the injected…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ming-Hao Liu , Ching-Ray Chang

Spin-orbit interaction in semiconductor structures with broken space inversion symmetry leads to spin splitting of electron and hole states even in the absence of magnetic field. We discover that, beyond the Rashba and Dresselhaus…

Mesoscale and Nanoscale Physics · Physics 2022-04-20 G. V. Budkin , S. A. Tarasenko

In two-dimensional (2D) hole systems the inversion asymmetry induced spin splitting differs remarkably from its familiar counterpart in the conduction band. While the so-called Rashba spin splitting of electron states increases linearly…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. Winkler

Spin-orbit coupling plays an important role in various properties of very different materials. Moreover efforts are underway to control the degree and quality of spin-orbit coupling in materials with a concomitant control of transport…

Mesoscale and Nanoscale Physics · Physics 2013-10-17 Zhou Li , F. Marsiglio , J. P. Carbotte

We introduce an analytical approximation scheme to diagonalize parabolically confined two dimensional electron systems with both the Rashba and Dresselhaus spin-orbit interactions. The starting point of our perturbative expansion is a…

Mesoscale and Nanoscale Physics · Physics 2014-04-07 Sigurdur I. Erlingsson , J. Carlos Egues , Daniel Loss

Larmor's theorem holds for magnetic systems that are invariant under spin rotation. In the presence of spin-orbit coupling this invariance is lost and Larmor's theorem is broken: for systems of interacting electrons, this gives rise to a…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Shahrzad Karimi , Florent Baboux , Florent Perez , Carsten A. Ullrich , Grzegorz Karczewski , Tomasz Wojtowicz

Hidden Rashba and Dresselhaus spin-splittings in centrosymmetric crystals with subunits (sectors) having non-centrosymmetric symmetries (the R-2 and D-2 effects) have been predicted and observed experimentally, but the microscopic mechanism…

Materials Science · Physics 2019-03-06 Linding Yuan , Qihang Liu , Xiuwen Zhang , Jun-Wei Luo , Shu-Shen Li , Alex Zunger

Spin splittings in III-V materials and heterostructures are of interest because of potential applications, mainly in spintronic devices. A necessary condition for the existence of these spin splittings is the absence of inversion symmetry.…

Strongly Correlated Electrons · Physics 2007-05-23 Miguel A Oliveira , Angus MacKinnon

Spin-orbit coupling is a manifestation of special relativity. In the reference frame of a moving electron, electric fields transform into magnetic fields, which interact with the electron spin and lift the degeneracy of spin-up and…

Mesoscale and Nanoscale Physics · Physics 2007-09-18 Lorenz Meier , Gian Salis , Ivan Shorubalko , Emilio Gini , Silke Schoen , Klaus Ensslin

We have studied the BiCu$_2$/Cu(111) surface alloy using low-temperature scanning tunneling microscopy and spectroscopy. We observed standing waves caused by scattering off defects and step edges. Different from previous studies on similar…

Materials Science · Physics 2015-06-16 Manuel Steinbrecher , Hasmik Harutyunyan , Christian R. Ast , Daniel Wegner

The strong spin-orbit interaction in the organic-inorganic perovskites tied to the incorporation of heavy elements (\textit{e.g.} Pb, I) makes these materials interesting for applications in spintronics. Due to a lack of inversion symmetry…

The Harper-Hofstadter problem for two-dimensional electron gas with Rashba spin-orbit coupling subject to periodic potential and perpendicular magnetic field is studied analytically and numerically. The butterfly-like energy spectrum,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 V. Ya. Demikhovskii , A. A. Perov
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